package org.apache.maven.plugins.jarsigner;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *  http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import org.apache.maven.artifact.Artifact;
  import org.apache.maven.execution.MavenSession;
  import org.apache.maven.plugin.AbstractMojo;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugins.annotations.Component;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.settings.Settings;
  import org.apache.maven.shared.jarsigner.JarSigner;
  import org.apache.maven.shared.jarsigner.JarSignerRequest;
  import org.apache.maven.shared.jarsigner.JarSignerUtil;
  import org.apache.maven.shared.utils.StringUtils;
  import org.apache.maven.shared.utils.cli.Commandline;
  import org.apache.maven.shared.utils.cli.javatool.JavaToolException;
  import org.apache.maven.shared.utils.cli.javatool.JavaToolResult;
  import org.apache.maven.shared.utils.io.FileUtils;
  import org.apache.maven.toolchain.Toolchain;
  import org.apache.maven.toolchain.ToolchainManager;
  import org.sonatype.plexus.components.sec.dispatcher.SecDispatcher;
  import org.sonatype.plexus.components.sec.dispatcher.SecDispatcherException;
  
  import java.io.File;
  import java.io.IOException;
  import java.text.MessageFormat;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.HashSet;
  import java.util.List;
  import java.util.ResourceBundle;
  import org.apache.maven.shared.utils.ReaderFactory;
  
  /**
   * Maven Jarsigner Plugin base class.
   *
   * @author <a href="cs@schulte.it">Christian Schulte</a>
   * @version $Id$
   */
  public abstract class AbstractJarsignerMojo
      extends AbstractMojo
  {
  
      /**
       * See <a href="http://java.sun.com/javase/6/docs/technotes/tools/windows/jarsigner.html#Options">options</a>.
       */
      @Parameter( property = "jarsigner.verbose", defaultValue = "false" )
      private boolean verbose;
  
      /**
       * See <a href="http://java.sun.com/javase/6/docs/technotes/tools/windows/jarsigner.html#Options">options</a>.
       */
      @Parameter( property = "jarsigner.keystore" )
      private String keystore;
  
      /**
       * See <a href="http://java.sun.com/javase/6/docs/technotes/tools/windows/jarsigner.html#Options">options</a>.
       */
      @Parameter( property = "jarsigner.storetype" )
      private String storetype;
  
      /**
       * See <a href="http://java.sun.com/javase/6/docs/technotes/tools/windows/jarsigner.html#Options">options</a>.
       */
      @Parameter( property = "jarsigner.storepass" )
      private String storepass;
  
      /**
       * See <a href="http://java.sun.com/javase/6/docs/technotes/tools/windows/jarsigner.html#Options">options</a>.
       */
      @Parameter( property = "jarsigner.providerName" )
      private String providerName;
  
      /**
       * See <a href="http://java.sun.com/javase/6/docs/technotes/tools/windows/jarsigner.html#Options">options</a>.
       */
      @Parameter( property = "jarsigner.providerClass" )
      private String providerClass;
  
     /**
      * See <a href="http://java.sun.com/javase/6/docs/technotes/tools/windows/jarsigner.html#Options">options</a>.
      */
     @Parameter( property = "jarsigner.providerArg" )
     private String providerArg;
 
     /**
      * See <a href="http://java.sun.com/javase/6/docs/technotes/tools/windows/jarsigner.html#Options">options</a>.
      */
     @Parameter( property = "jarsigner.alias" )
     private String alias;
 
     /**
      * The maximum memory available to the JAR signer, e.g. <code>256M</code>. See <a
      * href="http://java.sun.com/javase/6/docs/technotes/tools/windows/java.html#Xms">-Xmx</a> for more details.
      */
     @Parameter( property = "jarsigner.maxMemory" )
     private String maxMemory;
 
     /**
      * Archive to process. If set, neither the project artifact nor any attachments or archive sets are processed.
      */
     @Parameter( property = "jarsigner.archive" )
     private File archive;
 
     /**
      * The base directory to scan for JAR files using Ant-like inclusion/exclusion patterns.
      *
      * @since 1.1
      */
     @Parameter( property = "jarsigner.archiveDirectory" )
     private File archiveDirectory;
 
     /**
      * The Ant-like inclusion patterns used to select JAR files to process. The patterns must be relative to the
      * directory given by the parameter {@link #archiveDirectory}. By default, the pattern
      * <code>&#42;&#42;/&#42;.?ar</code> is used.
      *
      * @since 1.1
      */
     @Parameter
     private String[] includes = { "**/*.?ar" };
 
     /**
      * The Ant-like exclusion patterns used to exclude JAR files from processing. The patterns must be relative to the
      * directory given by the parameter {@link #archiveDirectory}.
      *
      * @since 1.1
      */
     @Parameter
     private String[] excludes = {};
 
     /**
      * List of additional arguments to append to the jarsigner command line.
      */
     @Parameter( property = "jarsigner.arguments" )
     private String[] arguments;
 
     /**
      * Set to {@code true} to disable the plugin.
      */
     @Parameter( property = "jarsigner.skip", defaultValue = "false" )
     private boolean skip;
 
     /**
      * Controls processing of the main artifact produced by the project.
      *
      * @since 1.1
      */
     @Parameter( property = "jarsigner.processMainArtifact", defaultValue = "true" )
     private boolean processMainArtifact;
 
     /**
      * Controls processing of project attachments. If enabled, attached artifacts that are no JAR/ZIP files will be
      * automatically excluded from processing.
      *
      * @since 1.1
      */
     @Parameter( property = "jarsigner.processAttachedArtifacts", defaultValue = "true" )
     private boolean processAttachedArtifacts;
 
     /**
      * Must be set to true if the password must be given via a protected
      * authentication path such as a dedicated PIN reader.
      *
      * @since 1.3
      */
     @Parameter( property = "jarsigner.protectedAuthenticationPath", defaultValue = "false" )
     private boolean protectedAuthenticationPath;
 
     /**
      * A set of artifact classifiers describing the project attachments that should be processed. This parameter is only
      * relevant if {@link #processAttachedArtifacts} is <code>true</code>. If empty, all attachments are included.
      *
      * @since 1.2
      */
     @Parameter
     private String[] includeClassifiers;
 
     /**
      * A set of artifact classifiers describing the project attachments that should not be processed. This parameter is
      * only relevant if {@link #processAttachedArtifacts} is <code>true</code>. If empty, no attachments are excluded.
      *
      * @since 1.2
      */
     @Parameter
     private String[] excludeClassifiers;
 
     /**
      * The Maven project.
      */
     @Parameter( defaultValue = "${project}", readonly = true, required = true )
     private MavenProject project;
 
     /**
      * The Maven settings.
      *
      * @since 1.5
      */
     @Parameter( defaultValue = "${settings}", readonly = true, required = true )
     private Settings settings;
 
     /**
      * Location of the working directory.
      *
      * @since 1.3
      */
     @Parameter( defaultValue = "${project.basedir}" )
     private File workingDirectory;
 
     /**
      */
     @Component
     private JarSigner jarSigner;
 
     /**
      * The current build session instance. This is used for
      * toolchain manager API calls.
      *
      * @since 1.3
      */
     @Parameter( defaultValue = "${session}", readonly = true, required = true )
     private MavenSession session;
 
     /**
      * To obtain a toolchain if possible.
      *
      * @since 1.3
      */
     @Component
     private ToolchainManager toolchainManager;
 
     /**
      * @since 1.3.2
      */
     @Component( hint = "mng-4384" )
     private SecDispatcher securityDispatcher;
 
     public final void execute()
         throws MojoExecutionException
     {
         if ( !this.skip )
         {
             Toolchain toolchain = getToolchain();
 
             if ( toolchain != null )
             {
                 getLog().info( "Toolchain in maven-jarsigner-plugin: " + toolchain );
                 jarSigner.setToolchain( toolchain );
             }
 
             int processed = 0;
 
             if ( this.archive != null )
             {
                 processArchive( this.archive );
                 processed++;
             }
             else
             {
                 if ( processMainArtifact )
                 {
                     processed += processArtifact( this.project.getArtifact() ) ? 1 : 0;
                 }
 
                 if ( processAttachedArtifacts )
                 {
                     Collection<String> includes = new HashSet<>();
                     if ( includeClassifiers != null )
                     {
                         includes.addAll( Arrays.asList( includeClassifiers ) );
                     }
 
                     Collection<String> excludes = new HashSet<>();
                     if ( excludeClassifiers != null )
                     {
                         excludes.addAll( Arrays.asList( excludeClassifiers ) );
                     }
 
                     for ( Artifact artifact : this.project.getAttachedArtifacts() )
                     {
                         if ( !includes.isEmpty() && !includes.contains( artifact.getClassifier() ) )
                         {
                             continue;
                         }
 
                         if ( excludes.contains( artifact.getClassifier() ) )
                         {
                             continue;
                         }
 
                         processed += processArtifact( artifact ) ? 1 : 0;
                     }
                 }
                 else
                 {
                     if ( verbose )
                     {
                         getLog().info( getMessage( "ignoringAttachments" ) );
                     }
                     else
                     {
                         getLog().debug( getMessage( "ignoringAttachments" ) );
                     }
                 }
 
                 if ( archiveDirectory != null )
                 {
                     String includeList = ( includes != null ) ? StringUtils.join( includes, "," ) : null;
                     String excludeList = ( excludes != null ) ? StringUtils.join( excludes, "," ) : null;
 
                     List<File> jarFiles;
                     try
                     {
                         jarFiles = FileUtils.getFiles( archiveDirectory, includeList, excludeList );
                     }
                     catch ( IOException e )
                     {
                         throw new MojoExecutionException( "Failed to scan archive directory for JARs: "
                             + e.getMessage(), e );
                     }
 
                     for ( File jarFile : jarFiles )
                     {
                         processArchive( jarFile );
                         processed++;
                     }
                 }
             }
 
             getLog().info( getMessage( "processed", processed ) );
         }
         else
         {
             getLog().info( getMessage( "disabled", null ) );
         }
     }
 
     /**
      * Creates the jar signer request to be executed.
      *
      * @param archive the archive file to treat by jarsigner
      * @return the request
      * @throws MojoExecutionException if an exception occurs
      * @since 1.3
      */
     protected abstract JarSignerRequest createRequest( File archive )
         throws MojoExecutionException;
 
     /**
      * Gets a string representation of a {@code Commandline}.
      * <p>
      * This method creates the string representation by calling {@code commandLine.toString()} by default.
      * </p>
      *
      * @param commandLine The {@code Commandline} to get a string representation of.
      * @return The string representation of {@code commandLine}.
      * @throws NullPointerException if {@code commandLine} is {@code null}.
      */
     protected String getCommandlineInfo( final Commandline commandLine )
     {
         if ( commandLine == null )
         {
             throw new NullPointerException( "commandLine" );
         }
 
         String commandLineInfo = commandLine.toString();
         commandLineInfo = StringUtils.replace( commandLineInfo, this.storepass, "'*****'" );
         return commandLineInfo;
     }
 
     public String getStoretype()
     {
         return storetype;
     }
 
     public String getStorepass()
     {
         return storepass;
     }
 
     /**
      * Checks whether the specified artifact is a ZIP file.
      *
      * @param artifact The artifact to check, may be <code>null</code>.
      * @return <code>true</code> if the artifact looks like a ZIP file, <code>false</code> otherwise.
      */
     private boolean isZipFile( final Artifact artifact )
     {
         return artifact != null && artifact.getFile() != null && JarSignerUtil.isZipFile( artifact.getFile() );
     }
 
     /**
      * Processes a given artifact.
      *
      * @param artifact The artifact to process.
      * @return <code>true</code> if the artifact is a JAR and was processed, <code>false</code> otherwise.
      * @throws NullPointerException if {@code artifact} is {@code null}.
      * @throws MojoExecutionException if processing {@code artifact} fails.
      */
     private boolean processArtifact( final Artifact artifact )
         throws MojoExecutionException
     {
         if ( artifact == null )
         {
             throw new NullPointerException( "artifact" );
         }
 
         boolean processed = false;
 
         if ( isZipFile( artifact ) )
         {
             processArchive( artifact.getFile() );
 
             processed = true;
         }
         else
         {
             if ( this.verbose )
             {
                 getLog().info( getMessage( "unsupported", artifact ) );
             }
             else if ( getLog().isDebugEnabled() )
             {
                 getLog().debug( getMessage( "unsupported", artifact ) );
             }
         }
 
         return processed;
     }
 
     /**
      * Pre-processes a given archive.
      *
      * @param archive The archive to process, must not be <code>null</code>.
      * @throws MojoExecutionException If pre-processing failed.
      */
     protected void preProcessArchive( final File archive )
         throws MojoExecutionException
     {
         // default does nothing
     }
 
     /**
      * Processes a given archive.
      *
      * @param archive The archive to process.
      * @throws NullPointerException if {@code archive} is {@code null}.
      * @throws MojoExecutionException if processing {@code archive} fails.
      */
     private void processArchive( final File archive )
         throws MojoExecutionException
     {
         if ( archive == null )
         {
             throw new NullPointerException( "archive" );
         }
 
         preProcessArchive( archive );
 
         if ( this.verbose )
         {
             getLog().info( getMessage( "processing", archive ) );
         }
         else if ( getLog().isDebugEnabled() )
         {
             getLog().debug( getMessage( "processing", archive ) );
         }
 
         JarSignerRequest request = createRequest( archive );
         request.setVerbose( verbose );
         request.setAlias( alias );
         request.setArchive( archive );
         request.setKeystore( keystore );
         request.setStoretype( storetype );
         request.setProviderArg( providerArg );
         request.setProviderClass( providerClass );
         request.setProviderName( providerName );
         request.setWorkingDirectory( workingDirectory );
         request.setMaxMemory( maxMemory );
         request.setProtectedAuthenticationPath( protectedAuthenticationPath );
 
         // Preserves 'file.encoding' the plugin is executed with.
         final List<String> additionalArguments = new ArrayList<>();
 
         boolean fileEncodingSeen = false;
 
         if ( this.arguments != null )
         {
             for ( final String argument : this.arguments )
             {
                 if ( argument.trim().startsWith( "-J-Dfile.encoding=" ) )
                 {
                     fileEncodingSeen = true;
                 }
 
                 additionalArguments.add( argument );
             }
         }
 
         if ( !fileEncodingSeen )
         {
             additionalArguments.add( "-J-Dfile.encoding=" + ReaderFactory.FILE_ENCODING );
         }
 
         // Adds proxy information.
         if ( this.settings != null && this.settings.getActiveProxy() != null
                  && StringUtils.isNotEmpty( this.settings.getActiveProxy().getHost() ) )
         {
             additionalArguments.add( "-J-Dhttp.proxyHost=" + this.settings.getActiveProxy().getHost() );
             additionalArguments.add( "-J-Dhttps.proxyHost=" + this.settings.getActiveProxy().getHost() );
             additionalArguments.add( "-J-Dftp.proxyHost=" + this.settings.getActiveProxy().getHost() );
 
             if ( this.settings.getActiveProxy().getPort() > 0 )
             {
                 additionalArguments.add( "-J-Dhttp.proxyPort=" + this.settings.getActiveProxy().getPort() );
                 additionalArguments.add( "-J-Dhttps.proxyPort=" + this.settings.getActiveProxy().getPort() );
                 additionalArguments.add( "-J-Dftp.proxyPort=" + this.settings.getActiveProxy().getPort() );
             }
 
             if ( StringUtils.isNotEmpty( this.settings.getActiveProxy().getNonProxyHosts() ) )
             {
                 additionalArguments.add( "-J-Dhttp.nonProxyHosts=\""
                                              + this.settings.getActiveProxy().getNonProxyHosts() + "\"" );
 
                 additionalArguments.add( "-J-Dftp.nonProxyHosts=\""
                                              + this.settings.getActiveProxy().getNonProxyHosts() + "\"" );
 
             }
         }
 
         request.setArguments( !additionalArguments.isEmpty()
                                   ? additionalArguments.toArray( new String[ additionalArguments.size() ] )
                                   : null );
 
         // Special handling for passwords through the Maven Security Dispatcher
         request.setStorepass( decrypt( storepass ) );
 
         try
         {
             JavaToolResult result = jarSigner.execute( request );
 
             Commandline commandLine = result.getCommandline();
 
             int resultCode = result.getExitCode();
 
             if ( resultCode != 0 )
             {
                 // CHECKSTYLE_OFF: LineLength
                 throw new MojoExecutionException( getMessage( "failure", getCommandlineInfo( commandLine ), resultCode ) );
                 // CHECKSTYLE_ON: LineLength
             }
 
         }
         catch ( JavaToolException e )
         {
             throw new MojoExecutionException( getMessage( "commandLineException", e.getMessage() ), e );
         }
     }
 
     protected String decrypt( String encoded )
         throws MojoExecutionException
     {
         try
         {
             return securityDispatcher.decrypt( encoded );
         }
         catch ( SecDispatcherException e )
         {
             getLog().error( "error using security dispatcher: " + e.getMessage(), e );
             throw new MojoExecutionException( "error using security dispatcher: " + e.getMessage(), e );
         }
     }
 
     /**
      * Gets a message for a given key from the resource bundle backing the implementation.
      *
      * @param key The key of the message to return.
      * @param args Arguments to format the message with or {@code null}.
      * @return The message with key {@code key} from the resource bundle backing the implementation.
      * @throws NullPointerException if {@code key} is {@code null}.
      * @throws java.util.MissingResourceException
      *             if there is no message available matching {@code key} or accessing
      *             the resource bundle fails.
      */
     private String getMessage( final String key, final Object[] args )
     {
         if ( key == null )
         {
             throw new NullPointerException( "key" );
         }
 
         return new MessageFormat( ResourceBundle.getBundle( "jarsigner" ).getString( key ) ).format( args );
     }
 
     private String getMessage( final String key )
     {
         return getMessage( key, null );
     }
 
     String getMessage( final String key, final Object arg )
     {
         return getMessage( key, new Object[] { arg } );
     }
 
     private String getMessage( final String key, final Object arg1, final Object arg2 )
     {
         return getMessage( key, new Object[] { arg1, arg2 } );
     }
 
     /**
      * FIXME tchemit-20123-11-13, need to find out how to do this...
      * TODO remove the part with ToolchainManager lookup once we depend on
      * 2.0.9 (have it as prerequisite). Define as regular component field then.
      *
      * @return Toolchain instance
      */
     private Toolchain getToolchain()
     {
         Toolchain tc = null;
         if ( toolchainManager != null )
         {
             tc = toolchainManager.getToolchainFromBuildContext( "jdk", session );
         }
 
         return tc;
     }
 }